Home / 2,590.20-3,574.36-1,411.24

Finding the Fourth Proportional to 2,590.20, 3,574.36 and 1,411.24

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Solution

The fourth proportional to 2,590.20, 3,574.36 and 1,411.24 is: 1,947.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590.20 : 3,574.36 = 1,411.24 : x
  2. Step 2: Convert to fraction form
    2,590.20/3,574.36 = 1,411.24/x
  3. Step 3: Cross multiply
    2,590.20x = 3,574.36 × 1,411.24
  4. Step 4: Simplify right side
    2,590.20x = 5,044,279.81
  5. Step 5: Solve for x
    x = 5,044,279.81/2,590.20
  6. Step 6: Final answer
    x = 1,947.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.